What does 5452 mean?

This warning indicates an internal fault within the Heat Pump's inverter, which controls the compressor. This could be a temporary issue or a sign of a defective component.

• Defective inverter.

Click steps to track your progress.

1. 1

   Note the warning code 5452.

2. 2

   If the warning persists after a short period, contact a qualified Bosch Heat Pump installer or service technician.

3. 3

   The technician will diagnose the inverter and determine if a replacement is needed.